Thanks for clarifying my point Alyssa. I am much more concerned about what to tell my son than when to tell him. I appreciate all the advice especially from the men who have gone through this. I like the idea of providing him with books and other resources so he can discuss the facts when he is ready. My parents were very open with me and answered questions when needed. He knows that it takes a man and woman to make a baby, but he dosen't know the details! He still gets grossed out even when he sees a girl in a bikini.